Company Filing History:
16 out of 3,186 
4 out of 198 
1 out of 13,684 
Years Active: 1996-2023
Title: Innovations and Contributions of Andrew David Johnson in Silicon Technology
Introduction
Andrew David Johnson, based in Doylestown, PA, is a prolific inventor with a remarkable portfolio of 22 patents. His innovations primarily focus on methods and compositions related to silicon-containing films and the recovery of xenon from manufacturing processes, showcasing his expertise in material science and engineering.
Latest Patents
Among his latest patents is a significant contribution titled "Compositions and methods for making silicon containing films." This patent describes low-temperature processed high-quality silicon films and outlines methods for forming these films with a thickness ranging from about 2 nm to about 200 nm. The deposition processes include various techniques such as chemical vapor deposition (CVD), plasma-enhanced chemical vapor deposition (PECVD), and atomic layer deposition (ALD), conducted within a temperature range of approximately 25°C to 400°C using specific alkylsilane precursors like diethylsilane and triethylsilane.
Another notable patent is the "System and method for xenon recovery," which addresses the challenges of recovering xenon contained within articles of manufacture such as light bulbs. This innovation offers an apparatus and method for capturing and collecting xenon from defective light bulbs, enabling the recycling and reuse of this valuable gas.
Career Highlights
Andrew has held key positions in prominent organizations, including Air Products and Chemicals, Inc. and Versum Materials US, LLC. His work in these companies has not only contributed to their operational advancements but also fostered a culture of innovation that aligns with his patent portfolio.
Collaborations
Throughout his career, Andrew has collaborated with notable professionals, including Mark Leonard O'Neill and Eugene Joseph Karwacki, Jr. These partnerships have undoubtedly enriched his work and propelled forward the innovations he has developed in the field of material sciences.
Conclusion
In conclusion, Andrew David Johnson stands out as an influential inventor in the domain of silicon technology and resource recovery. His 22 patents reflect his dedication to pushing the boundaries of innovation and his commitment to advancing industrial practices. His contributions not only enhance the technological landscape but also pave the way for more sustainable manufacturing methods.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.